307220041 has 2 divisors, whose sum is σ = 307220042. Its totient is φ = 307220040.

The previous prime is 307220029. The next prime is 307220051. The reversal of 307220041 is 140022703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182250000 + 124970041 = 13500^2 + 11179^2 .

It is an emirp because it is prime and its reverse (140022703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 307220041 - 2¹⁵ = 307187273 is a prime.

It is not a weakly prime, because it can be changed into another prime (307220051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153610020 + 153610021.

It is an arithmetic number, because the mean of its divisors is an integer number (153610021).

Almost surely, 2^307220041 is an apocalyptic number.

It is an amenable number.

307220041 is a deficient number, since it is larger than the sum of its proper divisors (1).

307220041 is an equidigital number, since it uses as much as digits as its factorization.

307220041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 307220041 is about 17527.6935447879. The cubic root of 307220041 is about 674.7608048686.

Adding to 307220041 its reverse (140022703), we get a palindrome (447242744).

The spelling of 307220041 in words is "three hundred seven million, two hundred twenty thousand, forty-one".